package com.hou.houlymall.order.web;

import com.hou.houlymall.order.service.OrderService;
import com.hou.houlymall.order.vo.OrderConfirmVo;
import com.hou.houlymall.order.vo.OrderSubmitVo;
import com.hou.houlymall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

/**
 * @author H
 * @create 2021-08-21 9:17
 */
@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;

    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo = orderService.confirmOrder();
        model.addAttribute("orderConfirmData", confirmVo);
        //展示订单确认的数据
        return "confirm";
    }

    /**
     * 下单功能
     * @param vo
     * @return
     */
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        SubmitOrderResponseVo responseVo = null;
        try{
            responseVo = orderService.submitOrder(vo);
        }catch (Exception e){
            redirectAttributes.addFlashAttribute("msg","下单失败");
            return "redirect:http://order.houlymall.com/toTrade";
        }


        //下单：去创建订单，验令牌，验价格，锁库存。。。
        //下单成功来到支付选择页
        //下单失败回到订单确认页重新确认订单信息
        System.out.println("订单提交的数据……"+vo);

        if (responseVo.getCode()==0){
            //下单成功来到支付选择页
            model.addAttribute("submitOrderResp", responseVo);
            return "pay";
        }else {
            String msg = "下单失败;";
            switch (responseVo.getCode()){
                case 1: msg+="订单信息过期，请刷新再提交"; break;
                case 2: msg+="订单商品价格发生变化，请确认后再次提交"; break;
                case 3: msg+="库存锁定失败，商品库存不足"; break;
                default:break;
            }
            redirectAttributes.addFlashAttribute("msg",msg);
            return "redirect:http://order.houlymall.com/toTrade";
        }


    }
}
